8results about How to "Simple parts" patented technology

The utility model discloses a kind of gas air mixing device and gas water heater, it relates to water heating device field, comprising: for input gas gas passage;For input air first air passage and second air passage;With the first gas output portion and the second gas output portion of the gas passage intercommunication;Mixed gas passage is set in the first air passage, second air passage, first gas output portion, second gas output portion downstream;Flow regulating component is at least partially arranged in the first air passage and can move along the extension direction of the first air passage, air inlet in the gas air mixing device can drive the flow regulating component moves to adjust the opening of the first air passage and the first gas output portion;The second air passage and the second gas output portion are normally open state.This application can solve the problem that flow regulation range is relatively narrow.

The application discloses a tape control mechanism and a tape manufacturing device, wherein the tape control mechanism comprises a base, a pressing plate and a plurality of first pressing columns. The base is provided with a first air channel, a second air channel and a plurality of first inner cavities arranged in an array. The first air channel is communicated with one end of the plurality of first inner cavities, and the second air channel is communicated with the other end of the plurality of first inner cavities. The pressing plate is arranged on the base, and a plurality of first solder tape channels arranged in an array are formed between the base and the pressing plate. The first pressing column comprises a first pressing section and a first piston section connected with each other. The plurality of first piston sections are arranged in the plurality of first inner cavities in a one-to-one correspondence. The first pressing section can extend into the corresponding first solder tape channel and press the first solder tape on the pressing plate. The above scheme can solve the problem that the clamp mechanism has a plurality of components in the related art. The installation precision of the guide rail, the setting precision of the height difference between the groove bottom and the top end surface of the groove are relatively high, thereby causing the problem that the clamp mechanism structure is complex and the installation difficulty is high.

The application provides a vehicle lamp assembly, a vehicle lamp and a vehicle, which comprise a first light source, a second light source, a first primary optical element and a second primary optical element which are transparent members, and a projection unit. The second light source and the first light source arranged along the optical axis direction are arranged on the same light source mounting surface. The first primary optical element has a first incident surface, a first reflecting surface, a first exit surface and a third reflecting surface, and the second primary optical element has a second reflecting surface arranged corresponding to the third incident surface. The light beam emitted by the first light source enters the first primary optical element through the first incident surface, is converged and reflected by the first reflecting surface, and is emitted by the first exit surface to form a first light beam which is transmitted along the optical axis direction. The light beam emitted by the second light source is converged and reflected by the second reflecting surface, enters the first primary optical element through the third incident surface, and is emitted by the first exit surface to form a second light beam which is transmitted along the optical axis direction. The first light beam and the second light beam realize a first light function and a second light function respectively after passing through the projection unit.

The invention discloses a game handle trigger key switching mechanism, which comprises a fixed support and a trigger key cap, the trigger key cap is hinged to the upper part of the fixed support, the middle part of the fixed support is provided with a first rotating shaft and a swing seat, a first torsion spring is arranged between the swing seat and the first rotating shaft, and a double-switch module is fixed on the swing seat; a second rotating shaft is arranged on the lower portion of the fixing support, a change-over switch used for pushing the swing base is installed, and a second torsional spring is arranged between the change-over switch and the second rotating shaft. Compared with the prior art, the switching mechanism has the advantages that a transfer mechanism of the keys is omitted, parts are simplified, the failure rate of the mechanism is reduced, the service life is prolonged, the size of the switching mechanism is reduced, the occupied space is small, the switching mechanism is suitable for a small gamepad, meanwhile, a trigger key cap can directly act on a point contact switch, and the switching mechanism is convenient to use. And the two-time contact hand feeling generated by one-time pressing is avoided.

The utility model discloses a split type rim tire mounting device, which belongs to the technical field of vehicle assembling and manufacturing, and comprises a tire expanding mold, a tire pressing component and a linear driver, the tire expanding mold is provided with a guide ring surface, and the diameter of an upper circle formed by the guide ring surface is smaller than that of a lower circle; the tire pressing component comprises an upper seat part, a connecting part and a jacking part, the upper seat part is located above the tire expanding mold, the jacking part is arranged on the periphery of the guide ring surface in a surrounding mode, and the surrounding diameter is larger than the lower circle diameter of the guide ring surface; the linear driver is mounted between the tire expanding mold and the tire pressing component and outputs driving force for the jacking part to axially move towards the lower end of the guide ring surface, and the linear driver is detachably connected with at least one of the tire expanding mold and the tire pressing component. The device has the advantages of low cost, simplicity in use, low failure rate, low operation and maintenance cost, small size, rapidness and high efficiency in operation and the like.

The application discloses a kind of anti-tipping slide rail devices for multilayer drawer, including: bottom plate, sliding plate, dial needle component, interlocking mechanism, guide slot is equipped with locking position, sliding plate has interlocking sliding slot, interlocking sliding slot includes the import opening section of front portion and the locking sliding slot section of rear portion, locking assembly one side has hanging column, locking assembly passes through fixed slide rail, and make hanging column be located import opening section front portion, when guide column slides to locking position, dial needle component is deflected, sliding plate stops sliding, hanging column is locked in locking sliding slot section, any layer drawer is opened when interlocking mechanism is in locked state, other layer drawer cannot be opened.The application, through the linkage between bottom plate, sliding plate, dial needle component and interlocking mechanism, parts are simplified, error is not easy to appear, production cost and use cost are low, while realizing the opening and closing of single drawer basis, the interlocking function between multilayer drawer is also realized, more conform to daily use habit.

This invention relates to an apparatus and method for suppressing edge cracking during the rolling of magnesium alloy sheet and strip using symmetrically arranged rolls, belonging to the technical field of magnesium alloy sheet and strip rolling forming. The apparatus of this invention includes two pairs of rolls, an external frame, and a control console. It has the advantages of optimized structure, simple parts, simple manufacturing process, and low manufacturing cost. Simultaneously, it can reduce energy consumption in magnesium alloy sheet and strip rolling technology, improve production efficiency, suppress edge cracking, improve room temperature forming performance of rolled magnesium alloy sheet and strip, and expand the application range of magnesium alloys. Furthermore, this invention also discloses a method for suppressing edge cracking during the rolling of magnesium alloy sheet and strip using symmetrically arranged rolls. The required temperature during the rolling process is lower than that of traditional rolling processes, significantly reducing production energy consumption, saving production costs, improving production efficiency, suppressing edge cracking, and resulting in magnesium alloy sheet and strip with superior room temperature forming properties.

The application provides a height stepless adjusting structure of a fan and the fan, which comprises an upper pipe, a lower pipe and an inner pipe; the inner pipe is arranged in the upper pipe, one end of the inner pipe is slidably connected with one end of the lower pipe, the other end of the lower pipe is arranged outside one end of the upper pipe, at least one elastic mechanism is arranged at one end of the inner pipe, at least one locking part and at least one releasing part are arranged on the inner wall of the upper pipe, at least one elastic mechanism is arranged at one end of the inner pipe, when the elastic mechanism is located at the locking part, the upper pipe and the lower pipe are in a locking state, when the elastic mechanism is located at the releasing part, the upper pipe and the lower pipe are in a releasing state. The application realizes the adjustment and locking of the fan at any height in the stroke range, and realizes the blowing demand of the user at multiple heights. The application is convenient to operate without bending or squatting. The production size allowance is large, the efficiency is high, and the whole machine is stable.